LLS1V183MELC

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Aluminium electrolytic capacitors, also known as electrolytic capacitors, are components used in electrical circuits, which are made of aluminium foil as the electrode and dielectric oxide film as the dielectric medium. Among the common varieties there are both radial leaded and SMD types. The LLS1V183MELC specifically is an aluminium electrolytic capacitor of the radial leaded type, using a can and with a voltage rating of 16V.

Application Field

The LLS1V183MELC is, due to its size, 16V rating and surface mounted mounting style, best suited for applications in low voltage and high temperature environments. With its large capacitance of 18,000uF, it is well suited for use in areas requiring a large boost of power and current, such as LED operations or micro-inverters. Additionally, given its shape and size, the LLS1V183MELC is ideal for transient protection and filtering, offering high current and low inductance compared to other surface mounted capacitors.

Working Principle

The working principle of aluminium electrolytic capacitors such as the LLS1V183MELC is ultimately that of a resistor coupled with the dielectric property of a capacitor. The foils winding used to form the capacitor of this type are formed according to the principles of an electro-mechanical coupling i.e. electric charge is stored as a potential difference between two electrodes, with the winding pattern of the foil allowing for the highest possible stresses to be applied.

Once this electrical potential is established, a current will pass between the plates, which is limited by the electric resistance of the electrolyte between them. The capacitor has a typical leakage current, meaning the current will continue to flow until the electric force present between the two plates is equal to zero. The LLS1V183MELCA has an acceptable ESR of 25mΩ, making it best suited for applications in high temperature, low voltage environments.

Conclusion

In conclusion, the LLS1V183MELC is a radial-leaded aluminum electrolytic capacitor, with a voltage rating of 16V and a capacitance of 18,000uF, making it well suited for LED operations, micro-inverters, and filtering in low voltage, high temperature environments. Its working principle is based on the principles of an electrical and mechanical coupling, establishing a potential difference between the plates that allows for a current to pass through them based on the given electrical resistance, with a typical leakage current present.

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